A farmer has a triangular Field with sides 120 yards, 170 yards, and 220 yards. Find the area of the field in square yard

The sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250